On Fri, 2012-12-21 at 16:05 +0100, Thomas Gleixner wrote: > On Fri, 21 Dec 2012, Steven Rostedt wrote: > > On Fri, 2012-12-21 at 08:23 +0000, Koehrer Mathias (ETAS/ESS2) wrote: > > > *** DEADLOCK *** > > > > So this is an obvious bug in virtualbox. No need to send us a config. > > This bug has nothing to do with RT. It's just that RT can expose bugs in > > mainline (or anything added to mainline) much easier. > > > > Funny thing is, this deadlock isn't even possible in RT, so there's > > probably many more bugs in the virtualbox driver. > > It's worse on RT, because that's a smp function call interrupt. Which > just cannot work on RT with the lock not being a raw lock. > Ah, I just figured it was an normal interrupt thread. I was avoiding eye cancer by not looking at the code. I guess I could have figured it out with looking at the rest of the lockdep dump, but was too lazy ;-) -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
